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authorDamjan Marion <damarion@cisco.com>2016-10-06 16:53:32 +0200
committerDamjan Marion <damarion@cisco.com>2016-10-06 16:53:32 +0200
commitf0ccbb02fd48325c3ccab66993b277f95bdbe2c1 (patch)
tree562c84e9c4de7597cbac8245100e5164f5b7d3c6 /build-root/scripts/pci-nic-bind
parent3f993a6f07bcfd1aff360276c3696bb3909b2fa9 (diff)
Add some useful scripts
Change-Id: Ic7ae9b43020ab4d26214bfab71b19ee259771c52 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'build-root/scripts/pci-nic-bind')
-rwxr-xr-xbuild-root/scripts/pci-nic-bind94
1 files changed, 94 insertions, 0 deletions
diff --git a/build-root/scripts/pci-nic-bind b/build-root/scripts/pci-nic-bind
new file mode 100755
index 00000000000..f3a0c2648de
--- /dev/null
+++ b/build-root/scripts/pci-nic-bind
@@ -0,0 +1,94 @@
+#!/bin/bash
+
+uio_drivers="igb_uio uio_pci_generic vfio-pci"
+tmpfile=$(mktemp)
+
+
+function bind_drv() {
+ addr=$1
+ modalias=$(cat $selection/modalias)
+ native_drv=$(modprobe -R $modalias)
+ array=()
+
+ for drv in $native_drv $uio_drivers; do
+ if [ -e /sys/bus/pci/drivers/$drv ]; then
+ echo driver $drv
+ drv_desc=$(modinfo $drv | grep description: | sed -e 's/.*:[[:space:]]\+//' )
+ array+=("${drv}")
+ array+=("${drv_desc}")
+ fi
+ done
+ dialog --backtitle "PCI NIC Bind Utility" \
+ --clear \
+ --menu "Select kernel driver" 18 100 12 \
+ "${array[@]}" 2> $tmpfile
+ retval=$?
+ selection=$(cat $tmpfile)
+ rm $tmpfile
+ if [ $retval -ne 0 ]; then
+ return
+ fi
+ vd=$(cat /sys/bus/pci/devices/${addr}/vendor /sys/bus/pci/devices/${addr}/device)
+ echo $addr | tee /sys/bus/pci/devices/${addr}/driver/unbind > /dev/null 2> /dev/null
+ echo $vd | tee /sys/bus/pci/drivers/${selection}/new_id > /dev/null 2> /dev/null
+ echo $addr | tee /sys/bus/pci/drivers/${selection}/bind > /dev/null 2> /dev/null
+}
+
+function find_pci_slot() {
+ addr=$1
+ [ ! "$(ls -A /sys/bus/pci/slots )" ] && echo "No PCI slot data" && return
+ for slot in $(find /sys/bus/pci/slots/* -maxdepth 0 -exec basename {} \;); do
+ slot_addr=$(cat /sys/bus/pci/slots/$slot/address)
+ if [[ "${addr}" == *"${slot_addr}"* ]]; then
+ echo "PCI slot: ${slot}"
+ return
+ fi
+ done
+ echo "Unknown PCI slot"
+}
+
+! type -ap dialog > /dev/null && echo "Please install dialog (apt-get install dialog)" && exit
+if [ $USER != "root" ] ; then
+echo "Restarting script with sudo..."
+ sudo $0 ${*}
+ exit
+fi
+
+cd /sys/bus/pci/devices
+
+while true; do
+ array=()
+ for addr in *; do
+ class=$(cat ${addr}/class)
+ if [ "$class" = "0x020000" ]; then
+ name=$(lspci -s $addr | sed -e 's/.*: //')
+ if [ -e "/sys/bus/pci/devices/$addr/driver" ]; then
+ drv=$(basename $(readlink -f /sys/bus/pci/devices/$addr/driver))
+ else
+ drv=" "
+ fi
+ slot=$(find_pci_slot ${addr})
+ array+=("${addr}")
+ array+=("${drv}|${name}")
+ array+=("${slot}")
+ fi
+ done
+
+ dialog --backtitle "PCI NIC Bind Utility" \
+ --item-help \
+ --clear \
+ --column-separator '|' \
+ --menu "Select NIC" 18 100 12 \
+ "${array[@]}" 2> $tmpfile
+
+ retval=$?
+ selection=$(cat $tmpfile)
+ rm $tmpfile
+ if [ $retval -ne 0 ]; then
+ exit
+ fi
+ bind_drv $selection
+done
+
+
+